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166010885 = 5191747483
BaseRepresentation
bin10011110010100…
…10000000000101
3102120101020010022
421321102000011
5314444322020
624250104525
74054032515
oct1171220005
9376336108
10166010885
1185788487
124771b145
13285166c1
1418095845
15e893625
hex9e52005

166010885 has 8 divisors (see below), whose sum is σ = 209698080. Its totient is φ = 125818704.

The previous prime is 166010861. The next prime is 166010903. The reversal of 166010885 is 588010661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166010885 - 216 = 165945349 is a prime.

It is a super-2 number, since 2×1660108852 = 55119227876966450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873647 + ... + 873836.

It is an arithmetic number, because the mean of its divisors is an integer number (26212260).

Almost surely, 2166010885 is an apocalyptic number.

It is an amenable number.

166010885 is a deficient number, since it is larger than the sum of its proper divisors (43687195).

166010885 is a wasteful number, since it uses less digits than its factorization.

166010885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747507.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 166010885 is about 12884.5211397242. The cubic root of 166010885 is about 549.5984782945.

The spelling of 166010885 in words is "one hundred sixty-six million, ten thousand, eight hundred eighty-five".

Divisors: 1 5 19 95 1747483 8737415 33202177 166010885